<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>演示音频</title>
</head>
<body>
<p>3&gt;</p>
      <marquee behavior="" direction="">热烈欢迎</marquee><!--可以飘字，已过时-->
      <audio src="monkey.mp3 "controls autoplay loop> </audio><!--音频链接，controls显示播放  autoplay可以自动播放 loop可以单曲循环-->
      <video src=""></video><!--播放视频-->
      <iframe style="width: 600px;min-height: 600px;border: none"src="https://v.qq.com/txp/iframe/player.html?vid=n0020yrnly7"></iframe><!--可以播放视频--
</body>
</html>
 .mainbox #bannerbox{
            position: relative;
        }
        .mainbox #bannerbox #banner1 img{
            width: 960px;
        }
        .mainbox #bannerbox #spanbtn{
            position: absolute;
            right: 10px;
            bottom: 10px;
        }
        .mainbox #bannerbox #spanbtn span{
            display: inline-block;
            width: 18px;
            height: 18px;
            border: 1px solid white;
            text-align: center;
            color: white;
        }
        .mainbox #bannerbox #spanbtn span:hover{
            color: red;
        }